皮皮学，免费搜题
登录
搜题
【单选题】
下列关于女性生殖道自然防御功能说法错误的是：A.
由于盆底肌作用，阴道口自然闭合，遮蔽阴道口、尿道口
B.
宫颈内口紧闭，宫颈管分泌大量粘液形成粘液栓
C.
孕激素、乳酸菌参与形成阴道酸性环境，维持阴道微环境平衡
D.
育龄女性子宫内膜周期性剥脱
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】孟子说的:“尽其心者,知其性也;知其性 则知天矣。”这句话出自____。
【简答题】On January,24,1848, less than 10 days before the signing of the peace treaty ending the Mexican War,________ , a 36-year old carpenter and handyman, noticed several bright bits of yellow mineral near ...
【单选题】We were _____ to hear of the death of your mother.
A.
crazy
B.
worried
C.
surprised
D.
sad
【单选题】The peace treaty was signed. Before long they _____ again.
A.
fought
B.
fight
C.
were fighting
D.
have fought
【简答题】孟子说的:“尽其心者,知其性也;知其性 则知天矣。”这句话出自《 () •尽心上 》。
【单选题】We hear that your firm ______ Chinese leatherproducts.
A.
buy
B.
sell
C.
take
D.
is in the market for
【判断题】The peace treaty was signed in 1776, in which the independence, freedom and sovereignty of the 13 states were acknowledged.()
A.
正确
B.
错误
【简答题】在元组关系演算中，投影操作需要在谓词公式中满足条件的元组前加（ ）量词符号。
相关题目：
参考解析：
知识点：
题目纠错 0
发布
